«Switch» provides the one and two-channel Intercom Monitors four-wire systems such as «COMMAX» and close analogues with four of calling video bar brand «ACTIVISION» or similar and controlled by four executive devices (electromechanical or electromagnetic lock). «Switch» provides the one and two-channel Intercom Monitors four-wire systems such as «COMMAX» and close analogues with four of calling video bar brand «ACTIVISION» or similar and controlled by four executive devices (electromechanical or electromagnetic lock).
